21767518

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3221}}^1$

素因数の和:3363

約数の個数: 16

約数和(自身を含む): 34024320

約数和(自身を除く): 12256802

約数列:

[1, 2, 31, 62, 109, 218, 3221, 3379, 6442, 6758, 99851, 199702, 351089, 702178, 10883759, 21767518]

約数ペア:

[(1, 21767518), (2, 10883759), (31, 702178), (62, 351089), (109, 199702), (218, 99851), (3221, 6758), (3379, 6442)]